formbook | b1f9b3ef3e6192490d6ff9f23f8b360edf2c5b7722a2ba843d1ece24c2f990ce

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 04:04

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General

Target

Project 88399287990.exe
Size

622KB
MD5

3837485b707ee00ae594d8b339c56ece
SHA1

df8dab1ca8581cdf2c8de899d0d4a8df8ca8d24c
SHA256

71ef3a1c1b5deecad87d419dff14667503ffbfb7f5a16f5b53eda57ae33bde7b
SHA512

6a243b10b4e556d4cf6c95f5f7d534f0ec8bd32f6cb5c153abfbdf2dcaa04c6adcb122a42cccb882cee90c98b6d50fc04bb9355f0de7a82a27e615ae10c39ba6
SSDEEP

6144:UJ4uZ9l5FllawMqFj/02XzSlGDQNo/vSx2oJrZKhCuKEB96MFZN+4RSOKQm0umL:UJ4up5UwMqFjjU3QMVtuKEn6qq4I

Score

10^/10

formbook ksb discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ksb

Decoy

rbscotl.net

mimascota10.com

ncylis.com

mariemdonacosmetics.com

elitecleaningnow.com

stockvisioner.com

whatsmodish.com

paghaze.com

weargoodsport.com

alesspace.com

rajputboarding.com

ctezna.site

athetheist.com

neurologistaandreialamberti.com

pindaz.com

ericsklavos.com

icare4me.com

xn--pypl-qoac.com

52swith.com

chetansenterprises.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1784-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1980	powershell.exe
2144	powershell.exe

Deletes itself 1 IoCs

pid	Process
2284	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 1784	1956	Project 88399287990.exe	37
PID 1784 set thread context of 1184	1784	Project 88399287990.exe	21
PID 1716 set thread context of 1184	1716	cscript.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Project 88399287990.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1784	Project 88399287990.exe
1784	Project 88399287990.exe
1980	powershell.exe
2144	powershell.exe
1716	cscript.exe
1716	cscript.exe
1716	cscript.exe
1716	cscript.exe
1716	cscript.exe
1716	cscript.exe
1716	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1784	Project 88399287990.exe
1784	Project 88399287990.exe
1784	Project 88399287990.exe
1716	cscript.exe
1716	cscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	Project 88399287990.exe
Token: SeDebugPrivilege	2144	powershell.exe
Token: SeDebugPrivilege	1980	powershell.exe
Token: SeDebugPrivilege	1716	cscript.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1980	1956	Project 88399287990.exe	31
PID 1956 wrote to memory of 1980	1956	Project 88399287990.exe	31
PID 1956 wrote to memory of 1980	1956	Project 88399287990.exe	31
PID 1956 wrote to memory of 1980	1956	Project 88399287990.exe	31
PID 1956 wrote to memory of 1292	1956	Project 88399287990.exe	33
PID 1956 wrote to memory of 1292	1956	Project 88399287990.exe	33
PID 1956 wrote to memory of 1292	1956	Project 88399287990.exe	33
PID 1956 wrote to memory of 1292	1956	Project 88399287990.exe	33
PID 1956 wrote to memory of 2144	1956	Project 88399287990.exe	35
PID 1956 wrote to memory of 2144	1956	Project 88399287990.exe	35
PID 1956 wrote to memory of 2144	1956	Project 88399287990.exe	35
PID 1956 wrote to memory of 2144	1956	Project 88399287990.exe	35
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1956 wrote to memory of 1784	1956	Project 88399287990.exe	37
PID 1184 wrote to memory of 1716	1184	Explorer.EXE	38
PID 1184 wrote to memory of 1716	1184	Explorer.EXE	38
PID 1184 wrote to memory of 1716	1184	Explorer.EXE	38
PID 1184 wrote to memory of 1716	1184	Explorer.EXE	38
PID 1716 wrote to memory of 2284	1716	cscript.exe	39
PID 1716 wrote to memory of 2284	1716	cscript.exe	39
PID 1716 wrote to memory of 2284	1716	cscript.exe	39
PID 1716 wrote to memory of 2284	1716	cscript.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
  "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1980
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gIujDCSIo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7011.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1292
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gIujDCSIo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2144
- - C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
    "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1784
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7011.tmp

Filesize
1KB

MD5
1aea0842d7145c1a086baabc7831752a

SHA1
031e3aaf90906d7b0a597fd27897bd68247d875f

SHA256
c9a4d4a223599891060d0a2036081c5a25803474350d3817b15f94ea44a68301

SHA512
3af1b587ca64d07e917c6226b250df09ee69922fae2cfd1ee7c801339f0a4a388695ff169715237a733128882ed3e81bb08b960aa3e50c90f8c2dbf9c58a055e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
341331b640710f6beff9db811f46487f

SHA1
9385b7d8fa778e869d6cf64ded161e20c70e090f

SHA256
ddb1c938962898255e4bb1b76220d8fc3ab0692d8a7fef54eb741700d4bcf1a5

SHA512
5f5a368edd01b844a971cd0f996f89c7c07beb0466df05ba275734d2e03cfc4cb85de886a3605ecea930754c2f69b7b10d2b2c33d3885b1164adeb64a1eeec9b

Download Submit
memory/1716-27-0x0000000000A00000-0x0000000000A22000-memory.dmp

Filesize
136KB

Download
memory/1784-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1784-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1784-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1784-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-3-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/1956-6-0x00000000021B0000-0x0000000002212000-memory.dmp

Filesize
392KB

Download
memory/1956-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-4-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1956-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1956-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-21-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-1-0x0000000000350000-0x00000000003F2000-memory.dmp

Filesize
648KB

Download